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104 lines
4.1 KiB
Python
104 lines
4.1 KiB
Python
# Copyright (C) 2013 Google Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os.path
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import shlex
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import shutil
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import optparse
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from in_file import InFile
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class Writer(object):
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# Subclasses should override.
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class_name = None
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defaults = None
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valid_values = None
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default_parameters = None
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def __init__(self, in_files):
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if isinstance(in_files, basestring):
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in_files = [in_files]
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if in_files:
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self.in_file = InFile.load_from_files(in_files, self.defaults, self.valid_values, self.default_parameters)
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else:
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self.in_file = None
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self._outputs = {} # file_name -> generator
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def wrap_with_condition(self, string, condition):
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if not condition:
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return string
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return "#if ENABLE(%(condition)s)\n%(string)s\n#endif" % { 'condition' : condition, 'string' : string }
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def _forcibly_create_text_file_at_path_with_contents(self, file_path, contents):
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# FIXME: This method can be made less force-full anytime after 6/1/2013.
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# A gyp error was briefly checked into the tree, causing
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# a directory to have been generated in place of one of
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# our output files. Clean up after that error so that
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# all users don't need to clobber their output directories.
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shutil.rmtree(file_path, ignore_errors=True)
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# The build system should ensure our output directory exists, but just in case.
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directory = os.path.dirname(file_path)
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if not os.path.exists(directory):
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os.makedirs(directory)
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with open(file_path, "w") as file_to_write:
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file_to_write.write(contents)
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def _write_file(self, output_dir, contents, file_name):
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path = os.path.join(output_dir, file_name)
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self._forcibly_create_text_file_at_path_with_contents(path, contents)
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def write_files(self, output_dir):
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for file_name, generator in self._outputs.items():
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self._write_file(output_dir, generator(), file_name)
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def set_gperf_path(self, gperf_path):
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self.gperf_path = gperf_path
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class Maker(object):
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def __init__(self, writer_class):
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self._writer_class = writer_class
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def main(self, argv):
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script_name = os.path.basename(argv[0])
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args = argv[1:]
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if len(args) < 1:
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print "USAGE: %s INPUT_FILES" % script_name
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exit(1)
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parser = optparse.OptionParser()
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parser.add_option("--gperf", default="gperf")
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parser.add_option("--output_dir", default=os.getcwd())
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options, args = parser.parse_args()
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writer = self._writer_class(args)
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writer.set_gperf_path(options.gperf)
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writer.write_files(options.output_dir)
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